Specifications

SIMATIC Instructions
9-16
S7-200 Programmable Controller System Manual
C79000-G7076-C233-01
TON, TONR, and TOF timers are available in three resolutions. The resolution is
determined by the timer number as shown in Table 9-1. Each count of the current
value is a multiple of the time base. For example, a count of 50 on a 10-ms timer
represents 500 ms.
Table 9-1 Timer Numbers and Resolutions
Timer Type
Resolution in
milliseconds (ms)
Maximum Value
in seconds (s)
Timer Number
TONR 1 ms 32.767 s T0, T64
10 ms 327.67 s T1 to T4, T65 to T68
100 ms 3276.7 s T5 to T31, T69 to T95
TON, TOF 1 ms 32.767 s T32, T96
10 ms 327.67 s T33 to T36, T97 to T100
100 ms 3276.7 s T37 to T63, T101 to T255
Note
You cannot share the same timer numbers for TOF and TON. For example, you
cannot have both a TON T32 and a TOF T32.